80 Fahrenheit to Celsius
80 °F ≈ 26.67 °C
80 degrees Fahrenheit is approximately 26.67 degrees Celsius.
How to convert 80 °F to °C
Use the formula °C = (°F − 32) × 5/9:
°C = (80 − 32) × 5/9°C = 48 × 5/9°C = 26.666667
So 80 °F = 26.666667 °C, or about 26.67 °C rounded.
Rounded values and quick estimate
- Rounded to a whole number: 27 °C
- Rounded to one decimal place: 26.7 °C
Quick mental estimate: subtract 30 and halve it. For 80 °F that gives about 25 °C — off by 1.67 °C (6.3%). Use the exact formula when precision matters.
80 Fahrenheit in other units
26.67 °C is a warm summer day. Light clothing, shade and water make it comfortable outdoors.
- Celsius
- 26.67 °C
- Degrees Réaumur
- 21.33 °Ré
- Degrees Delisle
- 110 °De
- Degrees Newton
- 8.8 °N
- Degrees Rømer
- 21.5 °Rø
- Kelvin
- 299.82 K
- Rankine
- 539.67 °R
80 °F and nearby values
About fahrenheit and celsius
The Fahrenheit scale puts water’s freezing point at 32 °F and boiling point at 212 °F. It is the everyday temperature scale in the United States.
The Celsius scale sets the freezing point of water at 0 °C and its boiling point at 100 °C (at sea level). It is used for everyday temperatures in almost every country.
Related conversions
Frequently asked questions
What is 80 Fahrenheit in Celsius?
80 degrees Fahrenheit is about 26.67 degrees Celsius (80 °F ≈ 26.67 °C).
How do you convert 80 °F to °C?
Apply °C = (°F − 32) × 5/9: °C = (80 − 32) × 5/9, °C = 48 × 5/9, °C = 26.666667.
How many degrees Fahrenheit is 26.67 °C?
26.67 °C is about 80.01 degrees Fahrenheit.